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annotate scald_dailymotion.module @ 0:ad3d1dbbb66e

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Scald Dailymotion: First stab at a DailyMotion provider not based on node
author Franck Deroche <franck@defr.org>
date Fri, 16 Jul 2010 17:24:41 +0200
parents
children e851124eabe3
rev   line source
franck@0 1 <?php
franck@0 2 define('DAILYMOTION_RSS', 'http://www.dailymotion.com/rss/');
franck@0 3 define('NS_MEDIA', 'http://search.yahoo.com/mrss');
franck@0 4 define('NS_DM', 'http://www.dailymotion.com/dmrss');
franck@0 5
franck@0 6 /**
franck@0 7 * Implements hook_scald_providers.
franck@0 8 * Tell Scald that we'll be providing some video atoms.
franck@0 9 */
franck@0 10 function scald_dailymotion_scald_provider() {
franck@0 11 return array(
franck@0 12 'atoms' => array(
franck@0 13 'video' => array('A video hosted on DailyMotion')
franck@0 14 )
franck@0 15 );
franck@0 16 }
franck@0 17
franck@0 18 /**
franck@0 19 * Implements hook_scald_fetch.
franck@0 20 */
franck@0 21 function scald_dailymotion_scald_fetch(&$atom) {
franck@0 22 $atom->thumbnail_source = file_directory_path() . '/dailymotion/'. $atom->base_id .'.jpg';
franck@0 23 $atom->file_source = $atom->thumbnail_source;
franck@0 24 }
franck@0 25
franck@0 26 /**
franck@0 27 * Implements hook_scald_prerender.
franck@0 28 */
franck@0 29 function scald_dailymotion_scald_prerender(&$atom, $context, $options, $type) {
franck@0 30 if ($type == 'atom') {
franck@0 31 if ($context != 'sdl_library_item') {
franck@0 32 $atom->rendered->player = theme('scald_dailymotion_player', $atom->base_id, $atom->thumbnail_source);
franck@0 33 }
franck@0 34 }
franck@0 35 }
franck@0 36
franck@0 37 /**
franck@0 38 * Implements hook_theme.
franck@0 39 */
franck@0 40 function scald_dailymotion_theme() {
franck@0 41 return array(
franck@0 42 'scald_dailymotion_player' => array(
franck@0 43 'arguments' => array('video' => NULL, 'thumbnail' => NULL),
franck@0 44 'template' => 'scald_dailymotion_player'
franck@0 45 )
franck@0 46 );
franck@0 47 }
franck@0 48
franck@0 49 /**
franck@0 50 * Creates an atom based on a DailyMotion video id.
franck@0 51 * @param $video_id
franck@0 52 * Unique identifier of the video on dailymotion
franck@0 53 * @return integer
franck@0 54 * Unique identifier of the new atom
franck@0 55 */
franck@0 56 function scald_dailymotion_register($video_id) {
franck@0 57 global $user;
franck@0 58 // Fetch the needed informations from DailyMotion
franck@0 59 $infos = scald_dailymotion_video($video_id);
franck@0 60 // Download a copy of the video thumbnail. This makes it possible
franck@0 61 // to do interesting things when used with ImageCache for example.
franck@0 62 $thumb = drupal_http_request($infos->thumbnail['src']);
franck@0 63 $dir = file_directory_path() . '/dailymotion';
franck@0 64 if ($thumb->code == 200 && file_check_directory($dir)) {
franck@0 65 $dest = $dir . '/' . $infos->id . '.jpg';
franck@0 66 $file = file_save_data($thumb->data, $dest);
franck@0 67 if ($file) {
franck@0 68 file_set_status($file, FILE_STATUS_PERMANENT);
franck@0 69 }
franck@0 70 }
franck@0 71 // Create an atom
franck@0 72 $atom = new stdClass;
franck@0 73 $atom->type = 'video';
franck@0 74 $atom->provider = 'scald_dailymotion';
franck@0 75 $atom->base_id = $infos->id;
franck@0 76 $atom->publisher = $user->uid;
franck@0 77 $atom->title = $infos->title;
franck@0 78 $aid = scald_author_get_id(array('name' => $infos->author));
franck@0 79 $atom->authors = array($aid);
franck@0 80 // And save it
franck@0 81 $atom_sid = scald_register_atom((array)$atom);
franck@0 82 // Finally, return this id
franck@0 83 return $atom_sid;
franck@0 84 }
franck@0 85
franck@0 86 /**
franck@0 87 * Analyze a DailyMotion RSS feed, reformating the informations about its
franck@0 88 * items in an easy to manipulate objects containing the informations we're
franck@0 89 * interested in.
franck@0 90 * @param $type
franck@0 91 * DailyMotion RSS feed type. Examples include 'user', 'video', 'tag'...
franck@0 92 * @param $id
franck@0 93 * The identifier, related to the type mentionned above. If you're requestion
franck@0 94 * a user feed, then, its the username...
franck@0 95 * @return array
franck@0 96 * Each array value is an object containing the following members:
franck@0 97 * - id: the DailyMotion video id
franck@0 98 * - author: the DailyMotion username of the user who uploaded the video
franck@0 99 * - title: the video title
franck@0 100 * - thumbnail: an associative array, containing the source ('src'), width
franck@0 101 * and height of the video's thumbnail
franck@0 102 * - pubDate: the publication date of the video
franck@0 103 */
franck@0 104 function scald_dailymotion_feed($type, $id) {
franck@0 105 $url = DAILYMOTION_RSS . $type .'/'. $id;
franck@0 106 $xml = drupal_http_request($url);
franck@0 107 $items = array();
franck@0 108 if ($xml->code != 404 && !empty($xml->data)) {
franck@0 109 $dom = DOMDocument::loadXML($xml->data);
franck@0 110 if ($dom) {
franck@0 111 foreach($dom->getElementsByTagName('item') as $item) {
franck@0 112 $info = new stdClass();
franck@0 113 // Fetch from the feed
franck@0 114 // ... the video id
franck@0 115 $info->id = $item->getElementsByTagNameNS(NS_DM, 'id')->item(0)->nodeValue;
franck@0 116 // ... its title
franck@0 117 $title = $item->getElementsByTagName('title')->item(0);
franck@0 118 $info->title = $title->nodeValue;
franck@0 119 // ... and usefull informations about its thumbnails
franck@0 120 $thumb = $item->getElementsByTagNameNS(NS_MEDIA, 'thumbnail')->item(0);
franck@0 121 $info->thumbnail = array(
franck@0 122 'src' => $thumb->getAttribute('url'),
franck@0 123 'width' => $thumb->getAttribute('width'),
franck@0 124 'height' => $thumb->getAttribute('height')
franck@0 125 );
franck@0 126 // ... also get the author
franck@0 127 $info->author = $item->getElementsByTagNameNS(NS_DM, 'author')->item(0)->nodeValue;
franck@0 128 // ... and the publication date
franck@0 129 $info->pubDate = date('c', strtotime($item->getElementsByTagName('pubDate')->item(0)->nodeValue));
franck@0 130 $items[] = $infos;
franck@0 131 }
franck@0 132 }
franck@0 133 }
franck@0 134 return $items;
franck@0 135 }
franck@0 136
franck@0 137 /**
franck@0 138 * Get information on a specific video.
franck@0 139 * @param $id
franck@0 140 * The video id
franck@0 141 * @return object
franck@0 142 * An object containing the video informations. For information on
franck@0 143 * the object format, see @scald_dailymotion_feed.
franck@0 144 */
franck@0 145 function scald_dailymotion_video($id) {
franck@0 146 $items = scald_dailymotion_feed('video', $id);
franck@0 147 return $items[0];
franck@0 148 }